2009-03-13 18:43:16 +01:00
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/*
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2018-10-31 17:54:59 +01:00
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* Copyright 2003-2018 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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2008-08-26 08:27:04 +02:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-08-26 08:27:04 +02:00
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*/
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2009-10-08 15:39:45 +02:00
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/*! \file
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* \brief The MPD Decoder API
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*
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2008-08-26 08:27:04 +02:00
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* This is the public API which is used by decoder plugins to
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* communicate with the mpd core.
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*/
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2013-07-28 13:18:48 +02:00
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#ifndef MPD_DECODER_API_HXX
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#define MPD_DECODER_API_HXX
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2009-10-08 15:39:45 +02:00
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2013-11-28 11:50:54 +01:00
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// IWYU pragma: begin_exports
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2016-11-18 07:59:01 +01:00
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#include "Client.hxx"
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2016-02-21 08:03:32 +01:00
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#include "input/Ptr.hxx"
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2018-09-21 16:56:53 +02:00
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#include "Command.hxx"
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2013-07-28 13:18:48 +02:00
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#include "DecoderPlugin.hxx"
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2013-10-02 12:22:12 +02:00
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#include "ReplayGainInfo.hxx"
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2013-09-05 18:22:02 +02:00
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#include "tag/Tag.hxx"
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2013-08-03 21:00:50 +02:00
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#include "AudioFormat.hxx"
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2013-10-26 14:19:34 +02:00
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#include "MixRampInfo.hxx"
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2015-01-21 22:13:44 +01:00
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#include "config/Block.hxx"
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2014-08-26 21:52:28 +02:00
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#include "Chrono.hxx"
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2008-08-26 08:27:06 +02:00
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2013-11-28 11:50:54 +01:00
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// IWYU pragma: end_exports
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2014-08-26 11:27:41 +02:00
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#include <stdint.h>
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2016-11-18 07:13:35 +01:00
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class DecoderClient;
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2016-05-13 13:12:21 +02:00
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/**
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* Throw an instance of this class to stop decoding the current song
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* (successfully). It can be used to jump out of all of a decoder's
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* stack frames.
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*/
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class StopDecoder {};
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2008-08-26 08:27:14 +02:00
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/**
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2009-10-08 15:39:45 +02:00
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* Blocking read from the input stream.
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*
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* @param decoder the decoder object
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* @param is the input stream to read from
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* @param buffer the destination buffer
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* @param length the maximum number of bytes to read
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* @return the number of bytes read, or 0 if one of the following
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* occurs: end of file; error; command (like SEEK or STOP).
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2008-08-26 08:27:14 +02:00
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*/
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2009-10-08 15:39:45 +02:00
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size_t
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2016-11-18 07:13:35 +01:00
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decoder_read(DecoderClient *decoder, InputStream &is,
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2020-09-04 13:33:47 +02:00
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void *buffer, size_t length) noexcept;
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2008-08-26 08:27:14 +02:00
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2013-10-21 21:12:37 +02:00
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static inline size_t
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2016-11-18 07:13:35 +01:00
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decoder_read(DecoderClient &decoder, InputStream &is,
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2020-09-04 13:33:47 +02:00
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void *buffer, size_t length) noexcept
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2013-10-21 21:12:37 +02:00
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{
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return decoder_read(&decoder, is, buffer, length);
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}
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2013-12-14 12:43:06 +01:00
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/**
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* Blocking read from the input stream. Attempts to fill the buffer
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* completely; there is no partial result.
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*
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* @return true on success, false on error or command or not enough
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* data
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*/
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bool
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2016-11-18 07:13:35 +01:00
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decoder_read_full(DecoderClient *decoder, InputStream &is,
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2020-09-04 13:33:47 +02:00
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void *buffer, size_t size) noexcept;
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2013-12-14 12:43:06 +01:00
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2013-12-14 12:21:23 +01:00
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/**
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* Skip data on the #InputStream.
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*
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* @return true on success, false on error or command
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*/
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bool
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2020-09-04 13:33:47 +02:00
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decoder_skip(DecoderClient *decoder, InputStream &is, size_t size) noexcept;
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2013-12-14 12:21:23 +01:00
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2008-08-26 08:27:04 +02:00
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#endif
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